The output voltage of this circuit is approximately four times the supply voltage. The circuit is from an Electronics Now April 1995. The output current is very low.
This circuit, which can be used safely, has been obtained in a 1987 documentation. It consists of a...
Suggested by Fairchild in a 1980s publication, this multiplier uses operational amplifiers from that...
We found this circuit in an old 1980s documentation. The circuit can be implemented with modern...